| 1 | // Copyright 2013 The Obvious Corporation.
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| 2 |
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| 3 | /**
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| 4 | * @fileoverview Helpers made available via require('phantomjs') once package is
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| 5 | * installed.
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| 6 | */
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| 7 |
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| 8 | var fs = require('fs')
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| 9 | var path = require('path')
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| 10 |
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| 11 |
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| 12 | /**
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| 13 | * Where the phantom binary can be found.
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| 14 | * @type {string}
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| 15 | */
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| 16 | try {
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| 17 | var location = require('./location')
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| 18 | exports.path = path.resolve(__dirname, location.location)
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| 19 | exports.platform = location.platform
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| 20 | exports.arch = location.arch
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| 21 | } catch(e) {
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| 22 | // Must be running inside install script.
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| 23 | exports.path = null
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| 24 | }
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| 25 |
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| 26 |
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| 27 | /**
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| 28 | * The version of phantomjs installed by this package.
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| 29 | * @type {number}
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| 30 | */
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| 31 | exports.version = '2.1.1'
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| 32 |
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| 33 |
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| 34 | /**
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| 35 | * Returns a clean path that helps avoid `which` finding bin files installed
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| 36 | * by NPM for this repo.
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| 37 | * @param {string} path
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| 38 | * @return {string}
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| 39 | */
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| 40 | exports.cleanPath = function (path) {
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| 41 | return path
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| 42 | .replace(/:[^:]*node_modules[^:]*/g, '')
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| 43 | .replace(/(^|:)\.\/bin(\:|$)/g, ':')
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| 44 | .replace(/^:+/, '')
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| 45 | .replace(/:+$/, '')
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| 46 | }
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| 47 |
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| 48 |
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| 49 | // Make sure the binary is executable. For some reason doing this inside
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| 50 | // install does not work correctly, likely due to some NPM step.
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| 51 | if (exports.path) {
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| 52 | try {
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| 53 | // avoid touching the binary if it's already got the correct permissions
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| 54 | var st = fs.statSync(exports.path);
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| 55 | var mode = st.mode | parseInt("0555", 8);
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| 56 | if (mode !== st.mode) {
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| 57 | fs.chmodSync(exports.path, mode);
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| 58 | }
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| 59 | } catch (e) {
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| 60 | // Just ignore error if we don't have permission.
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| 61 | // We did our best. Likely because phantomjs was already installed.
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| 62 | }
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| 63 | }
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